#!/bin/sh

# Slackware build script for faac 

# Copyright (c) 2008, Antonio Hern�ndez Blas <hba.nihilismus@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1.- Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Thanks to Carpo on LinuxQuestions.org for the tips
# Thanks to Heinz Wiesinger for the information about faac and libmp4v2

PRGNAM=faac
VERSION=1.26
ARCH=${ARCH:-i486}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

# Seems that libmp4v2 is a complicated critter. Here's how we think it works:
#
#   libmp4v2:installed, --with-mp4v2:  faac uses external libmp4v2
#   libmp4v2:not installed, --with-mp4v2:  faac uses internal libmp4v2
#   libmp4v2:installed, --without-mp4v2:  faac uses external libmp4v2
#   libmp4v2:not installed, --without-mp4v2:  faac doesn't use any libmp4v2
#
# Therefore, we'll default to use --without-mp4v2, which should produce the
# desired result in every case *except* where one wants to use the internal
# implementation, and that creates other problems, so we don't support it.

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
mv $PRGNAM $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Generate configure script
./bootstrap

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --enable-shared=yes \
  --enable-static=no \
  --without-mp4v2 \
  --build=$ARCH-slackware-linux \
  --host=$ARCH-slackware-linux

make
make install-strip DESTDIR=$PKG

if [ -d $PKG/usr/man ]; then
  (   cd $PKG/usr/man
    find . -type f -exec gzip -9 {} \;
    for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
  )
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS ChangeLog COPYING INSTALL NEWS README TODO docs/* \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
